#box {
  width: 100%;
}
#box .center {
  margin-top: 30px;
  width: 100%;
  display: flex;
  align-content: center;
  justify-content: space-around;
  flex-wrap: wrap;
}
#box .center .left {
  width: 50%;
}
#box .center .left .input {
  width: 200px;
}
#box .center .right {
  width: 50%;
}
#box .center .right .input {
  width: 200px;
}
